Harbor Freight Tools 38119 - Manual (Page 13)

SKU 38119 For technical questions, please call 1-800-444-3353. Page 13
using moderate thumb pressure. Lock the motor in this position with the Belt
Tension Locking Screw.
DRILL SPEED tabLE
The table below shows the belt arrangements for given drill speeds (A full chart
is also located on the inside of the pulley cover). In the diagram, the belts are fitted to
Step Three of the Spindle Pulley, producing a drill speed of 1,720 RPM.
Figure 5
Spindle Pulley Step Spindle Speed (RPM)
1 3100
2 2340
3 1720
4 1100
5 620
OPERatIOn
Secure the tool to a supporting structure before use. 1.
2. Insert the drill into the jaws of the chuck approximately 1”, ensuring that the jaws
do not touch the flutes of the drill. Before tightening the chuck, ensure that the drill
is centered within the jaws. Refer to Figure 6.
Make sure the table height and position is set 3.
so that the drill travel range is sufficient for the
material to be drilled.
Make sure the work is securely clamped. That
4.
is, held in a drill vice, or bolted to the table. Never
hold the material with your bare hands while
drilling. Severe personal injury may be caused if
the material is flung out of the operator’s hand.
IF THE MATERIAL IS IRREGULARLY SHAPED and cannot be laid flat on the
5.
table, it should be securely blocked and clamped. Any tilting, twisting or shifting
will result not only in a roughly drilled hole but also increases the chances of
damage to the drill.
Figure 6